CVE-2026-57973Patch(microsoft / windows_subsystem_for_linux)

LOWCVSS 4.7 · MEDIUM

Signal is active with 1 mentions in latest observed window

Immediate actions

Patch microsoft windows_subsystem_for_linux systems immediately

Recommended action window: Monitor and triage in normal cycle

NVD description

Time-of-check time-of-use (toctou) race condition in Windows Subsystem for Linux allows an authorized attacker to perform tampering locally.

microsoft CVEs Back to dashboard

0.5/ 10 priority

Sources & remediation

Vendor / third-party advisories

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-57973

Weakness type (CWE)

CWE-367

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

NONE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

windows_subsystem_for_linux

Threat summary

Patch or workaround signal is available
1 mentions across 1 observed day

What's happening

Patch or workaround mentioned in 1 signal
Technical details provided in 1 signal
1 total mentions across 1 day

Affected systems

Vendors

microsoft

Products

windows_subsystem_for_linux

Deep dive

Activity timeline1 mentions / 1d

Signal classification1 categories

Patch

1100.0%

Referenced assets1 URL

By indicator

https://windowsforum.com/threads/cve-2026-57973-update-wsl2-to-2-7-10-to-fix-data-tampering.438829/?utm_source=x&utm_medium=social&utm_campaign=news_node84

Full discourse1 post

Windows Forum@windowsforum91d
Patch
🪟 WSL2 users: update to 2.7.10. CVE-2026-57973 lets authorized local attackers tamper with data via a race condition—because even Linux on Windows needs its security chores done. https://windowsforum.com/threads/cve-2026-57973-update-wsl2-to-2-7-10-to-fix-data-tampering.438829/?utm_source=x&utm_medium=social&utm_campaign=news_node84 #PatchManagement #WindowsVulnerabilities #Wsl2Security #Cve202657973 https://t.co/dkTbBUTwSG
Post summary
The post urges WSL2 users to update to version 2.7.10 to remediate CVE‑2026‑57973, which permits local attackers to tamper data through a race condition.
0000055
1.2K followersView on X

CPE platform detail1 entries

Part:

Vendor:

Product:

Version:

Target SW:

Target HW:

1 of 1 entries

Part	Vendor	Product	Version	Target SW	Target HW
App	microsoft	windows_subsystem_for_linux	-	-	-

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